// Fonction destinée à remplacer le "LI:hover" pour IE 6
            sfHoverMenuCourse = function() {
                var sfEls = document.getElementById("MenuCourse").getElementsByTagName("li");
                for (var i=0; i<sfEls.length; i++) {
                    sfEls[i].onmouseover = function() {
                        this.className = this.className.replace(new RegExp(" sfhover"), "");
                        this.className += " sfhover";
                    }
                    sfEls[i].onmouseout = function() {
                        this.className = this.className.replace(new RegExp(" sfhover"), "");
                    }
                }
            }
          if (window.attachEvent) window.attachEvent("onload", sfHoverMenuCourse);  
		  
		  sfHoverMenuMedia = function() {
                var sfEls = document.getElementById("MenuMedia").getElementsByTagName("li");
                for (var i=0; i<sfEls.length; i++) {
                    sfEls[i].onmouseover = function() {
                        this.className = this.className.replace(new RegExp(" sfhover"), "");
                        this.className += " sfhover";
                    }
                    sfEls[i].onmouseout = function() {
                        this.className = this.className.replace(new RegExp(" sfhover"), "");
                    }
                }
            }
           if (window.attachEvent) window.attachEvent("onload", sfHoverMenuMedia);